DP-300 Plan and implement data platform resources Practice Question
Which TWO of the following are supported high availability features in Azure SQL Managed Instance?
⚠ Common exam trap
Candidates often confuse on-premises SQL Server high availability features (like database mirroring, log shipping, or manual Windows clustering) with the fully managed, built-in capabilities of Azure SQL Managed Instance, leading them to select unsupported legacy options.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Zone-redundant deployment for Business Critical tier
Azure SQL Managed Instance supports zone-redundant deployment for the Business Critical tier, which replicates the database across multiple Azure availability zones within the same region to protect against datacenter-level failures. Option C is correct because Azure SQL Managed Instance has built-in Always On Availability Groups technology that provides automatic failover and high availability at no additional cost, leveraging a quorum-based cluster under the hood.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Zone-redundant deployment for Business Critical tier
Why this is correct
Correct: Managed Instance Business Critical tier supports zone redundancy.
- ✗
Database mirroring
Why it's wrong here
Incorrect: Database mirroring is deprecated and not supported.
- ✓
Always On Availability Groups (built-in)
Why this is correct
Correct: Managed Instance uses Always On technology for high availability.
- ✗
Log shipping to a secondary instance
Why it's wrong here
Incorrect: Log shipping is not supported in Managed Instance.
- ✗
Windows Server Failover Clustering
Why it's wrong here
Incorrect: Failover clustering is not exposed to users; it's managed internally.
Go deeper
Related to this question
Learn chapter
Overview of Azure Data Platform Options
Key term
Azure SQL Managed Instance
Azure SQL Managed Instance is a fully managed cloud database service that gives you nearly all the features of Microsoft SQL Server on your own server, without you having to manage the hardware or operating system.
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